#pragma once

#include<iostream>
#include<unordered_map>
#include<strings.h>
#include<unistd.h> 
#include<pthread.h>
#include<sys/types.h>
#include<sys/socket.h>
#include<arpa/inet.h>
#include<netinet/in.h>

using namespace std;

class User
{
public:
    User(const string &ip,const uint16_t &port):_ip(ip),_port(port)
    {}
    ~User()
    {}
    string ip() { return _ip;}
    uint16_t port() { return _port;}
private:
    string _ip;
    uint16_t _port;
};

class OnlineUser
{
public:
    OnlineUser()
    {}

    ~OnlineUser()
    {}

    void addUser(const string &ip,const uint16_t &port)
    {
        string id=ip+"-"+to_string(port);
        users.insert(make_pair(id,User(ip,port)));
    }
    void delUser(const string &ip,const uint16_t &port)
    {
        string id=ip+"-"+to_string(port);
        users.erase(id);
    }
    bool isOnline(const string &ip,const uint16_t &port)
    {
        string id=ip+"-"+to_string(port);
        return users.find(id)==users.end()?false:true;
    }
    void broadcastMessage(int sockfd,const string &ip,const uint16_t &port,const string &message)
    {
        for(auto &user:users)
        {
            struct sockaddr_in client;
            bzero(&client, sizeof(client));

            client.sin_family = AF_INET;
            client.sin_port = htons(user.second.port());
            client.sin_addr.s_addr = inet_addr(user.second.ip().c_str());
            string s=ip+"-"+to_string(port)+"#";
            s+=message;
            sendto(sockfd, s.c_str(), s.size(), 0, (struct sockaddr *)&client, sizeof(client));
        }
    }
private:
    unordered_map<string,User> users;
};